Greenville Flag

Greenville

County:
Mercer County
County Seat:
No
Area (mi²):
1.887
State:
Pennsylvania

Greenville is a borough located in Mercer County, Pennsylvania. Greenville has a 2026 population of 5,459. Greenville is currently declining at a rate of -0.49% annually and its population has decreased by -1.34% since the most recent census, which recorded a population of 5,533 in 2020.

5.5K
Total Population
2,893
Density (mi²)
-27 -0.49%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)